public WKWebViewController(ExtendedBrowserOptions options, CancellationToken cancellationToken)
{
_options = options;
var webViewConfig = new WKWebViewConfiguration();
webViewConfig.WebsiteDataStore = WKWebsiteDataStore.NonPersistentDataStore;
//webViewConfig.SetUrlSchemeHandler(new CallbackHandler(), endUrl.Scheme);
WebView = new WKWebView(new CGRect(0, 0, 0, 0), webViewConfig);
WebView.WeakNavigationDelegate = this;
// Setup cancellation action
cancellationToken.Register(() => UIApplication.SharedApplication.InvokeOnMainThread(() => ActivityMediator.Instance.Cancel()));
var request = new NSMutableUrlRequest(new NSUrl(options.LoadDetourUrl ? options.DetourUrl : options.StartUrl));
if (_options.Headers != null)
{
var updatedRequest = UpdateHeaders(new NSMutableUrlRequest(new NSUrl(options.LoadDetourUrl ? options.DetourUrl : options.StartUrl)),
_options.Headers.ToDictionary(k => k.Key.ToString(), v => v.Value.ToString()));
if (updatedRequest != null)
{
WebView.LoadRequest(updatedRequest);
return;
}
}
WebView.LoadRequest(request);
}
internal static Task <BrowserResult> Start(ExtendedBrowserOptions options, CancellationToken cancellationToken)
{
var tcs = new TaskCompletionSource <BrowserResult>();
// Create web view controller
var browserController = new UINavigationController(new WKWebViewController(options, cancellationToken)
{
ModalPresentationStyle = UIModalPresentationStyle.FormSheet,
});
browserController.PresentationController.Delegate = new DismissablePresentationControllerDelegate();
async void Callback(string response)
{
ActivityMediator.Instance.ActivityMessageReceived -= Callback;
if (response == "UserCancel")
{
BrowserMediator.Instance.Cancel();
await browserController.DismissViewControllerAsync(true); // Close web view
browserController.Dispose();
tcs.SetResult(Canceled());
}
else if (response == "RestartFlow")
{
// Close existing
await browserController.DismissViewControllerAsync(true); // Close web view
browserController.Dispose();
// Launch new
FindRootController().PresentViewController(browserController, true, null);
}
else
{
BrowserMediator.Instance.Success();
await browserController.DismissViewControllerAsync(true); // Close web view
browserController.Dispose();
tcs.SetResult(Success(response));
}
}
ActivityMediator.Instance.ActivityMessageReceived += Callback;
// Launch web view
FindRootController().PresentViewController(browserController, true, null);
return(tcs.Task);
}
/// <inheritdoc/>
public Task <BrowserResult> InvokeAsync(ExtendedBrowserOptions options, CancellationToken cancellationToken = default)
{
if (string.IsNullOrWhiteSpace(options.StartUrl))
{
throw new ArgumentException("Missing StartUrl", nameof(options));
}
if (string.IsNullOrWhiteSpace(options.EndUrl))
{
throw new ArgumentException("Missing EndUrl", nameof(options));
}
return(Launch(options, cancellationToken));
}
public override async Task <LoginResult> DetouredLoginAsync(string detourUrl, LoginRequest request = null, CancellationToken cancellationToken = default)
{
if (request == null)
{
request = new LoginRequest();
}
if (OidcClient.Options.Browser is WKWebViewBrowser browser)
{
var authState = await OidcClient.PrepareLoginAsync(cancellationToken : cancellationToken);
var browserOptions = new ExtendedBrowserOptions(authState.StartUrl, OidcClient.Options.RedirectUri)
{
Timeout = TimeSpan.FromSeconds(request.BrowserTimeout),
DisplayMode = request.BrowserDisplayMode,
LoadDetourUrl = true,
DetourUrl = detourUrl
};
if (OidcClient.Options.ResponseMode == OidcClientOptions.AuthorizeResponseMode.FormPost)
{
browserOptions.ResponseMode = OidcClientOptions.AuthorizeResponseMode.FormPost;
}
else
{
browserOptions.ResponseMode = OidcClientOptions.AuthorizeResponseMode.Redirect;
}
var browserResult = await browser.InvokeAsync(browserOptions, cancellationToken);
if (browserResult.ResultType == BrowserResultType.Success)
{
var result = await ProcessResponseAsync(
browserResult.Response,
authState,
request.BackChannelExtraParameters);
return(result);
}
return(new LoginResult(browserResult.Error ?? browserResult.ResultType.ToString()));
}
await OidcClient.Options.Browser.InvokeAsync(new BrowserOptions(detourUrl, "null"), cancellationToken);
return(new LoginResult("UserCancel"));
}